Chapter 3: Problem 26
Use the laws of logarithms to expand and simplify the expression. $$\ln x(x+1)(x+2)$$
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Chapter 3: Problem 26
Use the laws of logarithms to expand and simplify the expression. $$\ln x(x+1)(x+2)$$
These are the key concepts you need to understand to accurately answer the question.
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Sketch the graphs of the given functions on the same axes. \(y=1-e^{-x}\) and \(y=1-e^{-0.5 x}\)
The length (in centimeters) of a typical Pacific halibut \(t\) yr old is approximately $$ f(t)=200\left(1-0.956 e^{-0.182}\right) $$ Suppose a Pacific halibut caught by Mike measures \(140 \mathrm{~cm}\). What is its approximate age?
Use logarithms to solve the equation for \(t\). $$\frac{200}{1+3 e^{-0.3 t}}=100$$
A certain piece of machinery was purchased 3 yr ago by Garland Mills for \(\$ 500,000\). Its present resale value is \(\$ 320,000\). Assuming that the machine's resale value decreases exponentially, what will it be 4 yr from now?
a. Given that \(2^{x}=e^{k x}\), find \(k\). b. Show that, in general, if \(b\) is a nonnegative real number, then any equation of the form \(y=b^{x}\) may be written in the form \(y=e^{k x}\), for some real number \(k\).
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